src/share/classes/jdk/internal/org/objectweb/asm/tree/TryCatchBlockNode.java

@@ -56,10 +56,12 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 package jdk.internal.org.objectweb.asm.tree;
 
+import java.util.List;
+
 import jdk.internal.org.objectweb.asm.MethodVisitor;
 
 /**
  * A node that represents a try catch block.
  *

@@ -87,37 +89,94 @@
      * <tt>null</tt> to catch any exceptions (for "finally" blocks).
      */
     public String type;
 
     /**
+     * The runtime visible type annotations on the exception handler type. This
+     * list is a list of {@link TypeAnnotationNode} objects. May be
+     * <tt>null</tt>.
+     *
+     * @associates jdk.internal.org.objectweb.asm.tree.TypeAnnotationNode
+     * @label visible
+     */
+    public List<TypeAnnotationNode> visibleTypeAnnotations;
+
+    /**
+     * The runtime invisible type annotations on the exception handler type.
+     * This list is a list of {@link TypeAnnotationNode} objects. May be
+     * <tt>null</tt>.
+     *
+     * @associates jdk.internal.org.objectweb.asm.tree.TypeAnnotationNode
+     * @label invisible
+     */
+    public List<TypeAnnotationNode> invisibleTypeAnnotations;
+
+    /**
      * Constructs a new {@link TryCatchBlockNode}.
      *
-     * @param start beginning of the exception handler's scope (inclusive).
-     * @param end end of the exception handler's scope (exclusive).
-     * @param handler beginning of the exception handler's code.
-     * @param type internal name of the type of exceptions handled by the
-     *        handler, or <tt>null</tt> to catch any exceptions (for "finally"
-     *        blocks).
+     * @param start
+     *            beginning of the exception handler's scope (inclusive).
+     * @param end
+     *            end of the exception handler's scope (exclusive).
+     * @param handler
+     *            beginning of the exception handler's code.
+     * @param type
+     *            internal name of the type of exceptions handled by the
+     *            handler, or <tt>null</tt> to catch any exceptions (for
+     *            "finally" blocks).
      */
-    public TryCatchBlockNode(
-        final LabelNode start,
-        final LabelNode end,
-        final LabelNode handler,
-        final String type)
-    {
+    public TryCatchBlockNode(final LabelNode start, final LabelNode end,
+            final LabelNode handler, final String type) {
         this.start = start;
         this.end = end;
         this.handler = handler;
         this.type = type;
     }
 
     /**
+     * Updates the index of this try catch block in the method's list of try
+     * catch block nodes. This index maybe stored in the 'target' field of the
+     * type annotations of this block.
+     *
+     * @param index
+     *            the new index of this try catch block in the method's list of
+     *            try catch block nodes.
+     */
+    public void updateIndex(final int index) {
+        int newTypeRef = 0x42000000 | (index << 8);
+        if (visibleTypeAnnotations != null) {
+            for (TypeAnnotationNode tan : visibleTypeAnnotations) {
+                tan.typeRef = newTypeRef;
+            }
+        }
+        if (invisibleTypeAnnotations != null) {
+            for (TypeAnnotationNode tan : invisibleTypeAnnotations) {
+                tan.typeRef = newTypeRef;
+            }
+        }
+    }
+
+    /**
      * Makes the given visitor visit this try catch block.
      *
-     * @param mv a method visitor.
+     * @param mv
+     *            a method visitor.
      */
     public void accept(final MethodVisitor mv) {
-        mv.visitTryCatchBlock(start.getLabel(), end.getLabel(), handler == null
-                ? null
-                : handler.getLabel(), type);
+        mv.visitTryCatchBlock(start.getLabel(), end.getLabel(),
+                handler == null ? null : handler.getLabel(), type);
+        int n = visibleTypeAnnotations == null ? 0 : visibleTypeAnnotations
+                .size();
+        for (int i = 0; i < n; ++i) {
+            TypeAnnotationNode an = visibleTypeAnnotations.get(i);
+            an.accept(mv.visitTryCatchAnnotation(an.typeRef, an.typePath,
+                    an.desc, true));
     }
+        n = invisibleTypeAnnotations == null ? 0 : invisibleTypeAnnotations
+                .size();
+        for (int i = 0; i < n; ++i) {
+            TypeAnnotationNode an = invisibleTypeAnnotations.get(i);
+            an.accept(mv.visitTryCatchAnnotation(an.typeRef, an.typePath,
+                    an.desc, false));
+        }
+    }
 }